AspenTek E26 E27 to E26/E27 Edison Screw Converter Light Bulb Socket Lamp Holder for Standard US Light Bulbs (5 PCS E27 to E27) E27(female socket) to E27(male plug) Light Lamp Bulbs Adapter Converter;lease note this adapter also compatible with E26 bulb Suitable for E27 LED bulb, halogen lamp and vintage edison light bulbs Extend your current existing E27 Screw fixture Anti-burning material, copper conductivity standard; Heat and Temperature resistant Dimension:34(Dia.) mm x 65(H) mm; Extends bulb base by 1.5 inches, bulb length by 1.25 inches